APMP.M.H-S3 Final Report Comparison on Hardness ... - BIPM
APMP.M.H-S3 Final Report Comparison on Hardness ... - BIPM
APMP.M.H-S3 Final Report Comparison on Hardness ... - BIPM
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Revisi<strong>on</strong>: <str<strong>on</strong>g>Final</str<strong>on</strong>g> <str<strong>on</strong>g>Report</str<strong>on</strong>g><br />
Date: May 25, 2012<br />
<str<strong>on</strong>g>Report</str<strong>on</strong>g> Form 4 Uncertainty budget of measurement Page 5/6<br />
Uncertainty budget for 35 HRA<br />
Quantity Estimated<br />
Standard Sensitivity Uncertainty<br />
value<br />
uncertainty coefficient c<strong>on</strong>tributi<strong>on</strong><br />
X i x i<br />
xi<br />
uxi<br />
<br />
3<br />
C i u i (H )<br />
Preliminary test force, F 0 0.05 N 0.0289 0.2272 0.0066<br />
Total test force, F 0.3 N 0.1732 -0.0917 -0.0159<br />
Permanent depth of measuring device, h 0.1 µm 0.0577 0.5000 0.0289<br />
Preliminary test force dwell time, t 0 0.2 s 0.1155 0.0489 0.0056<br />
Indentati<strong>on</strong> velocity, v 10 µm/s 5.7735 -0.0102 -0.0586<br />
Total test force dwell time, t 0.2 s 0.1155 -0.1060 -0.0122<br />
Indenter angle, 0.1 ° 0.0577 0.1800 0.0104<br />
Indenter radius, r 1 µm 0.5774 0.0580 0.0335<br />
Deformati<strong>on</strong> of frame, DF 0.2 µm 0.1155 0.5000 0.0577<br />
Combined uncertainty, u c<br />
Expanded uncertainty, Ue<br />
0.0965<br />
k=2 0.19<br />
Page 34 of 77
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